Math Help - is this excercise correctly solved?

1. is this excercise correctly solved?

Hello.. sorry for posting that many posts, this is my last post for today, thank you.

- In the following problem write the dual maximization problem:
Minimize g= 8_y1+4_y2 subject to
3_y1-2_y2≥6
2_y1+y_2 ≥11